chore(cicd): add ESLint check for the Pull Requests

Author: timoa

.github/workflows/code-review.yml

@@ -4,9 +4,20 @@ on: [pull_request]
 
 jobs:
 
+  # -- ESLINT -----------------------------------------------------------------
+  eslint:
+    name: ESLint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@dcd71f646680f2efd8db4afa5ad64fdcba30e748 # tag=v3.0.1
+
+      - name: Run ESLint
+        uses: reviewdog/action-eslint@v1
+
   # -- DOCKER -----------------------------------------------------------------
   hadolint:
-    name: runner / hadolint
+    name: Hadolint
     runs-on: ubuntu-latest
 
     steps: